The Andromeda Galaxy, located 2.5 million light years away, has fascinated observers for centuries. Once believed to be part ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

An unusual x-ray signal from the Helix Nebula, first detected in 19180, could stem from a star destroying a nearby planet. Credit: NASA/CXC/A. Hobart ...

Messier 77, captured by Hubble, also known as the Squid Galaxy, is a swirling spiral 45 million light-years away in Cetus, the constellation named for a whale. It was discovered in 1780 by Pierre ...

Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this ...

The NASA/ESA Hubble Space Telescope captured the stunning Sombrero Galaxy (M104), known for its bright central bulge and ...

The Vera Rubin Observatory shared the first images taken with the technology, hailed as a transformative breakthrough in astronomical research.

The astronomers who operate powerful Vera C. Rubin observatory released debut images June 23, 2025, showcasing just exactly ...

The powerful device will scan the sky like never before, capturing vast amounts of data to reveal how the universe changes ...

In just over 10 hours of test observations, the Vera C. Rubin Observatory captured millions of celestial objects, opening the ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

Astronomy fans can zoom in practically forever into the stunning first images from the Vera C. Rubin Observatory ...